Vertebrata Cuvier, 1812 - vertebrates Gnathostomata Teleostomi Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988] Class Amphibia Gray, 1825 [paraphyletic] Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758 Order †Temnospondyli Zittel, 1888 - temnospondyls Superfamily †Eryopoidea Cope, 1882 Family †Zatracheidae Williston, 1910 see Family Zatrachydidae